312387460

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{1861}}^1$

素因数の和:1997

約数の個数: 96

約数和(自身を含む): 825834240

約数和(自身を除く): 513446780

約数列:

[1, 2, 4, 5, 7, 10, 11, 14, 20, 22, 28, 35, 44, 55, 70, 77, 109, 110, 140, 154, 218, 220, 308, 385, 436, 545, 763, 770, 1090, 1199, 1526, 1540, 1861, 2180, 2398, 3052, 3722, 3815, 4796, 5995, 7444, 7630, 8393, 9305, 11990, 13027, 15260, 16786, 18610, 20471, 23980, 26054, 33572, 37220, 40942, 41965, 52108, 65135, 81884, 83930, 102355, 130270, 143297, 167860, 202849, 204710, 260540, 286594, 405698, 409420, 573188, 716485, 811396, 1014245, 1419943, 1432970, 2028490, 2231339, 2839886, 2865940, 4056980, 4462678, 5679772, 7099715, 8925356, 11156695, 14199430, 15619373, 22313390, 28398860, 31238746, 44626780, 62477492, 78096865, 156193730, 312387460]

約数ペア:

[(1, 312387460), (2, 156193730), (4, 78096865), (5, 62477492), (7, 44626780), (10, 31238746), (11, 28398860), (14, 22313390), (20, 15619373), (22, 14199430), (28, 11156695), (35, 8925356), (44, 7099715), (55, 5679772), (70, 4462678), (77, 4056980), (109, 2865940), (110, 2839886), (140, 2231339), (154, 2028490), (218, 1432970), (220, 1419943), (308, 1014245), (385, 811396), (436, 716485), (545, 573188), (763, 409420), (770, 405698), (1090, 286594), (1199, 260540), (1526, 204710), (1540, 202849), (1861, 167860), (2180, 143297), (2398, 130270), (3052, 102355), (3722, 83930), (3815, 81884), (4796, 65135), (5995, 52108), (7444, 41965), (7630, 40942), (8393, 37220), (9305, 33572), (11990, 26054), (13027, 23980), (15260, 20471), (16786, 18610)]